Chaitanya Giri

India needs planetary defence: Indian-origin space scientist

Catastrophies originating from outer space are no fiction, says scientist.

Feb 13, 2016, 17:33 PM IST

Indian-led scientists' team discover why comet appears black

Centaurs estimated to number around 44,000 are minor planets with diameters larger than one kilometre.

Jan 25, 2016, 16:47 PM IST